CN213401568U - Overhead transmission line earth connection installation condition monitoring devices - Google Patents
Overhead transmission line earth connection installation condition monitoring devices Download PDFInfo
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- CN213401568U CN213401568U CN202021832084.2U CN202021832084U CN213401568U CN 213401568 U CN213401568 U CN 213401568U CN 202021832084 U CN202021832084 U CN 202021832084U CN 213401568 U CN213401568 U CN 213401568U
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- ground wire
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- transmission line
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 238000009434 installation Methods 0.000 title claims abstract description 22
- 238000012806 monitoring device Methods 0.000 title claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses an overhead transmission line earth connection installation state monitoring device, which comprises an earth connection hook, a detection device and a control terminal; the detection device comprises a fixed shell and a contact piece arranged in the fixed shell, wherein two ends of the contact piece extend out of the fixed shell, the fixed shell is arranged on the ground wire hook, two ends of the contact piece are positioned at two sides of a hook groove of the ground wire hook, and the contact piece is connected with the control terminal; hang on the wire when the earth connection couple, the both ends of contact piece are used for the overlap joint on the wire to signal of telecommunication transmission who will acquire gives control terminal, control terminal is according to signal of telecommunication output bottom line connection status signal, and the connection status of earth connection is judged to the signal of telecommunication through the wire, can improve the accuracy of monitoring, avoids appearing the erroneous judgement, realizes carrying out effectual monitoring to the connection status of earth connection, guarantees constructor's work safety.
Description
Technical Field
The invention relates to the field of power transmission and distribution safety monitoring, in particular to a device for monitoring the installation state of a grounding wire of an overhead power transmission line, which is particularly applied to the on-line monitoring device for the installation state of the grounding wire in power failure maintenance and rush-repair operation of a power line.
Background
In the operation maintenance construction site of the electric power engineering, the connection state of the temporary grounding wire is confirmed in a manual inspection mode, and because the inspection means of field workers is original, the inspection efficiency is low, whether the grounding wire is in virtual connection or not is difficult to distinguish, the situation that the grounding wire does not play a due protection role easily occurs, and safety accidents are easily caused.
In order to ensure that the temporary grounding wire can actually play a role in grounding protection, the grounding state of the temporary grounding wire needs to be monitored in real time, and when the temporary grounding state is abnormal, an alarm is sent out in time, so that the working safety of constructors is ensured.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides an overhead transmission line earth connection installation status monitoring devices through installing additional on the transmission and distribution lines earth connection, realizes carrying out effectual monitoring to the earth connection installation status, improves the security that power equipment maintained.
The utility model discloses a realize through following technical scheme:
a device for monitoring the installation state of a grounding wire of an overhead transmission line comprises a grounding wire hook, a detection device and a control terminal;
the detection device comprises a fixed shell and a contact piece arranged in the fixed shell, wherein two ends of the contact piece extend out of the fixed shell, the fixed shell is arranged on the ground wire hook, two ends of the contact piece are positioned at two sides of a hook groove of the ground wire hook, and the contact piece is connected with the control terminal;
when the ground wire hook is hung on the lead, the two ends of the contact piece are used for being lapped on the lead, and the control terminal is used for acquiring an electric signal generated between the contact piece and the lead and outputting a ground wire connection state signal according to the electric signal.
Preferably, the fixed shell is of a U-shaped groove structure, the fixed shell is fixedly connected to the back of the ground wire hook through the U-shaped groove, the contact piece is assembled in the U-shaped groove, and two ends of the contact piece extend out of the U-shaped groove.
Preferably, the contact piece is located at the upper end of the U-shaped groove, and the top end of the U-shaped groove is further provided with a protection piece.
Preferably, the end of the contact piece horizontally extends to exceed the center of the hook groove of the ground wire hook.
Preferably, the distance between the contact piece and the grounding wire hook is 2mm to 5 mm.
Preferably, the control terminal is connected with the ground wire hook through an upper connecting piece, a spring is arranged in the upper connecting piece, the contact piece is electrically connected with the spring, and the spring is electrically connected with the control terminal.
Preferably, the control terminal comprises a shell, the shell is connected with the lower end of the upper connecting piece, a control unit, a battery and an interface circuit board are arranged in the shell, and the battery and the interface circuit board are connected with the control unit.
Preferably, the control unit is further connected with a GPS positioning module and a communication module, and is configured to send the position of the ground wire to the management platform.
Preferably, the lower end of the control terminal is further connected with an insulating rod.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model provides an overhead transmission line earth connection installation status monitoring devices, both sides at the earth connection couple set up the contact piece, the earth connection couple articulates on the wire, the stable overlap joint of contact piece is on the wire, produce the signal of telecommunication between contact piece and the wire, and give control terminal with signal of telecommunication transmission, control terminal is according to signal of telecommunication output ground wire connection status signal, judge the connection status of earth connection, can improve the accuracy of monitoring, avoid appearing the erroneous judgement, the realization carries out effectual monitoring to the connection status of earth connection, guarantee operation personnel's work safety.
Drawings
Fig. 1 is a schematic structural view of the monitoring device of the present invention;
fig. 2 is an exploded view of the monitoring device of the present invention;
fig. 3 is a structural diagram of the detecting device of the present invention.
In the figure: 1. a detection device; 2. a control terminal; 3. a stationary case; 4. a contact piece; 5. a spring; 6. An upper connecting piece; 7. a battery; 8. a housing; 9. a control unit; 10. an interface circuit board.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings, which are provided for purposes of illustration and not limitation.
Referring to fig. 1-3, the device for monitoring the installation state of the ground wire of the overhead transmission line comprises a ground wire hook, a detection device 1 and a control terminal.
The detection device comprises a fixed shell 3 and a contact piece 4 arranged in the fixed shell, wherein two ends of the contact piece extend out of the fixed shell 3, the fixed shell 3 is arranged on a ground wire hook, two ends of the contact piece 4 are positioned on two sides of a hanging groove of the ground wire hook, and the contact piece 4 is connected with a control unit;
when the earth connection couple is hung on the wire, the both ends of contact piece 4 are used for the overlap joint on the wire to with the signal of telecommunication transmission for the control unit who obtains, the control unit is according to signal of telecommunication output alarm signal.
When the control unit receives the electric signal, the ground wire is in a connected state, and when the control unit receives the electric signal, the ground wire is in an unconnected state, the electric signal of the lead is acquired through the contact piece, so that the state of the ground wire can be accurately monitored, and the connection state between the ground wire and the lead can be accurately and reliably monitored.
Above-mentioned set casing 3 is one side open-ended U type groove structure, and the shape of contact piece 4 and the U type groove structure phase-match of set casing 3, and contact piece 4 is joined in marriage and is adorned in the U type groove of set casing 3 to be located the one end in U type groove, U type groove is stretched out at the both ends of contact piece 4, and stretches out to the center that surpasss earth connection couple groove.
During the installation, set casing 3 card is on the just right peg of earth connection couple entry, and the both ends that the contact stretches out set casing 3 are located the both sides of earth connection couple groove bottom respectively to the tip of contact extends to the center that surpasss earth connection couple groove, and on the wire when earth connection couple, the wire is located the center of earth connection couple groove bottom under the effect of gravity, because the tip of contact surpasss the center, consequently can guarantee the stable overlap joint of contact piece in the guide, guarantees measuring stability.
The contact piece 4 is made of an elastic copper material and is U-shaped, the distance between the two sides of the U shape is slightly wider than the width of the grounding wire hook, and the distance between the two sides of the U shape of the contact piece 4 and the grounding wire hook is 2mm to 5 mm.
Still be provided with the protection piece in the U type groove upper end of set casing 3, the protection piece covers the top at the contact piece for protect it, the life of extension protection piece, set casing 3 adopts insulating material to make, its both sides are provided with 4 set screw holes and 2 set screw holes respectively, set screw hole's interval is unanimous with the interval of the screw hole of earth connection couple side, make the back at the earth connection couple of firm installation of set casing 3 through set screw and set screw.
The control unit is also provided with a GPS positioning module, a power supply management module, an internet communication module and an internet communication antenna, when a grounding wire hook is hung on a wire and an electric signal is monitored, a corresponding indicator lamp is turned on, and meanwhile, the GPS positioning module sends position information to the management platform through the internet communication module; when the electric signals are not monitored, the corresponding indicator lights are turned on, and an alarm signal is output, so that the working safety of constructors is ensured.
The utility model discloses an overhead transmission line earth connection installation status monitoring devices adopts the mode in electric return circuit to judge whether normally being connected between earth connection and the wire, realizes the accurate reliable monitoring earth connection between line and the wire, compares with the mode that current adoption switch in place carries out indirect judgement, judges more to tend to safe and reliable to position information and the connection status information transmission of earth connection give management platform through communication module, conveniently manage the correct use of earth connection.
The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.
Claims (9)
1. The device for monitoring the installation state of the ground wire of the overhead transmission line is characterized by comprising a ground wire hook, a detection device (1) and a control terminal (2);
the detection device comprises a fixed shell (3) and a contact piece (4) arranged in the fixed shell, wherein two ends of the contact piece extend out of the fixed shell (3), the fixed shell (3) is arranged on the ground wire hook, two ends of the contact piece (4) are positioned at two sides of a hook groove of the ground wire hook, and the contact piece (4) is connected with the control terminal (2);
when the ground wire hook is hung on the lead, two ends of the contact piece (4) are used for being lapped on the lead, and the control terminal is used for acquiring an electric signal generated between the contact piece and the lead and outputting a ground wire connection state signal according to the electric signal.
2. The device for monitoring the installation state of the grounding wire of the overhead transmission line according to claim 1, wherein the fixing shell (3) is of a U-shaped groove structure, the fixing shell (3) is fixedly connected to the back of the grounding wire hook through the U-shaped groove, the contact piece (4) is assembled in the U-shaped groove, and two ends of the contact piece (4) extend out of the U-shaped groove.
3. The device for monitoring the installation state of the grounding wire of the overhead transmission line according to claim 2, wherein the contact piece (4) is positioned at the upper end of the U-shaped groove, and a protection piece is further arranged at the top end of the U-shaped groove.
4. An overhead transmission line ground wire installation condition monitoring device according to claim 1, characterized in that the end of the contact piece (4) extends horizontally beyond the center of the hook groove of the ground wire hook.
5. The device for monitoring the installation state of the ground wire of the overhead transmission line according to claim 1, wherein the distance between the contact piece (4) and the hook of the ground wire is 2mm to 5 mm.
6. The device for monitoring the installation state of the grounding wire of the overhead transmission line according to claim 1, wherein the control terminal is connected with the grounding wire hook through an upper connecting piece (6), a spring is arranged in the upper connecting piece (6), the contact piece is electrically connected with the spring, and the spring is electrically connected with the control terminal.
7. The device for monitoring the installation state of the grounding wire of the overhead transmission line according to claim 1 or 6, wherein the control terminal comprises a shell (8), the shell is connected with the lower end of the upper connecting piece (6), a control unit (9), a battery (7) and an interface circuit board (10) are arranged inside the shell, and the battery (7) and the interface circuit board (10) are connected with the control unit.
8. The device for monitoring the installation state of the ground wire of the overhead transmission line according to claim 7, wherein the control unit is further connected with a GPS positioning module and a communication module, and is used for sending the position of the ground wire to the management platform.
9. The device for monitoring the installation state of the ground wire of the overhead transmission line according to claim 1, wherein an insulating rod is further connected to the lower end of the control terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021832084.2U CN213401568U (en) | 2020-08-27 | 2020-08-27 | Overhead transmission line earth connection installation condition monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021832084.2U CN213401568U (en) | 2020-08-27 | 2020-08-27 | Overhead transmission line earth connection installation condition monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213401568U true CN213401568U (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021832084.2U Active CN213401568U (en) | 2020-08-27 | 2020-08-27 | Overhead transmission line earth connection installation condition monitoring devices |
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| Country | Link |
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| CN (1) | CN213401568U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113011547A (en) * | 2021-01-22 | 2021-06-22 | 重庆涪陵电力实业股份有限公司 | Intelligent sensing tag for grounding wire clamp of power system |
| CN113394051A (en) * | 2021-06-29 | 2021-09-14 | 国网陕西省电力公司 | Safety protection device based on relay |
-
2020
- 2020-08-27 CN CN202021832084.2U patent/CN213401568U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113011547A (en) * | 2021-01-22 | 2021-06-22 | 重庆涪陵电力实业股份有限公司 | Intelligent sensing tag for grounding wire clamp of power system |
| CN113394051A (en) * | 2021-06-29 | 2021-09-14 | 国网陕西省电力公司 | Safety protection device based on relay |
| CN113394051B (en) * | 2021-06-29 | 2024-06-11 | 国网陕西省电力公司 | Safety protection device based on relay |
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Effective date of registration: 20240814 Address after: 100032 West Chang'an Avenue, Xicheng District, Xicheng District, Beijing Patentee after: STATE GRID CORPORATION OF CHINA Country or region after: China Patentee after: Tongchuan power supply company of State Grid Shaanxi Electric Power Co.,Ltd. Patentee after: XI'AN JIANGXIA ELECTRIC POWER EQUIPMENT MANUFACTURING Co.,Ltd. Patentee after: National Network (Xi'an) Environmental Protection Technology Center Co.,Ltd. Address before: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee before: STATE GRID CORPORATION OF CHINA Country or region before: China Patentee before: TONGCHUAN POWER SUPPLY COMPANY OF STATE GRID SHAANXI ELECTRIC POWER CO. Patentee before: XI'AN JIANGXIA ELECTRIC POWER EQUIPMENT MANUFACTURING Co.,Ltd. |